snippet: Perma-Seal™ Self-Tapping Concrete Screw, Hex Washer Head, Blue, 3/16" X 1-1/4" The Snake Anchor is an all-steel, self-tapping, machine bolt anchor designed for use in concrete and is suitable for overhead applications. The anchor can be installed with a wrench or with a power tool and mechanically interlocks with the base material. A hammer is not required for installation.

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